| Tania Fédor | |
| Birth Date: | 3 November 1905 |
| Birth Place: | Monte Carlo, Monaco |
| Death Place: | Montreal, Quebec, Canada |
| Othername: | Tatiana d'Ermter |
| Occupation: | Actress |
| Years Active: | 1926–1968 |
| Spouse: | Ivan Mosjoukine (divorced) |
Tania Fédor (3 November 1905 – 1 December 1985) was a French actress who played a number of leading roles during the 1930s and early 1940s in films such as Fantômas (1932).[1] She later settled in Canada where she worked on French language productions.